15 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
pneumonia • formerly BOOP ... Organizing Pneumonia - Clinical ... - Imaging: • CXR ... Pulmonary lymphoma, Diffuse ... #ILD #diagnosis
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... the differential diagnosis ... BOOP - Bronchiolitis ... #Diagnosis #Radiology ... #Pulmonary #CXR
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... consolidation - Diffuse ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology ... #CXR #Consolidation
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
the differential diagnosis ... organizing pneumonia (OP ... also known as BOOP ... #Clinical #Radiology ... #CXR #Peripheral
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in OP ... carcinoma, the diagnosis ... #Clinical #Radiology ... #CTChest #COP # ... Organizing #Pneumonia #ILD
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram Sign ... edema, severe ILD ... #Bronchogram #Sign ... Lung #Pulmonary #diagnosis ... #radiology #clinical
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... bronchiectasis, CF, ILD ... #Tram #Track #Sign ... Lung #Pulmonary #diagnosis ... #radiology #clinical
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
The HRCT shows diffuse ... abnormalities and signs ... cessation of smoking #Clinical ... #Radiology #CTChest ... DesquamativeInterstitialPneumonia #ILD
Immune Checkpoint Inhibitor-Mediated Colitis
Grade of Disease Severity:
 • G1: Increase < 4 BMs/day over baseline; mild
intervention indicated Diagnostic ... Diff, Stool cx, ... Endoscopy (Flex Sig ... urgent • Imaging: Cross-sectional ... management #algorithm #IBD